# 美国CS CMSC350代写，Data structure数据结构作业代写

351 1年前 第三个编程项目涉及编写一个程序，允许用户以括号前缀的格式输入一个二叉树，然后允许对其进行分类，并允许显示该树的各种特征。以输入格式编写的树的例子如下：(A(G(j)(1))(z(5))在上述例子中，树的每个节点中的数据包含一个字母数字字符。不允许有空格。每棵树都被括在括号内。在这些括号内...

The third programming project involves writing a program that allows the user to enter a binary tree in a parenthesized prefix format and then allows it to be categorized and allows various features of that tree to be displayed. An example of a tree written in the input format is the following:

(A(G(j)(1))(z(5)))

In the above example, data in each node of the tree contains a single alphanumeric character. No spaces are permitted. Each tree is enclosed in parentheses. Inside those parentheses, after the single character are either zero, one or two subtrees also enclosed in parentheses. When only one subtree is present, it is the left subtree and when two are present, they represent the left and right subtrees

The various categorizations include the following:

1. Whether the binary tree is balanced, which means for each node in the tree, the absolute difference between the height of its left and right subtrees is at most 1. The above binary tree is balanced.

2. Whether the binary tree is full. A full binary tree has the maximum number of nodes for a tree of its height. The above tree is not full because a tree of that height can contain 7 nodes, but the above tree only has 6.

3. Whether the binary tree is proper. In a proper binary tree, every node has either 0 or 2 children. The above tree is not proper because the node containing z has only one child. In addition, the program should allow the user to request that each of the following features of the tree be displayed:

1. The height of the tree. The height of a tree is the maximum level of all of its nodes. The root node containing A is at the level 0. Because all three leaf nodes in the above tree are at level 2, its height is 2.

2. The number of nodes in the tree. As previously mentioned, the above tree has 6 nodes.

3. An fully parenthesized inorder traversal of the tree. The following should be displayed as the inorder traversal of the above tree: ((( j ) G ( 1 )) A (( 5 ) z ))

This project should consist of three classes. The main class should create a GUI that allows the user to input a tree in the above described format and then construct the tree once the Make Tree button is clicked

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